Abstract
A model predictive-based control strategy for the quasi-Z-source inverter (qZSI) with battery for photovoltaic (PV) power conversion system is proposed in this paper. Usually, in the control of the battery-assisted qZSI, only the injected power to the grid and the maximum power point tracking of the PV are controlled. The battery charges, discharges, or floats depending on the available PV power and demanded power. Thus, a low-frequency current ripple is generated on top of the ripple caused by the shoot through state in the second inductor L2 and the battery. In the proposed approach, the battery current is directly controlled. The power injection is fulfilled with the maximum power capture from PV panels, along with a decoupled active and reactive power control. The validity of the proposed method is proved by using a detailed simulation model, showing a no low-frequency current ripple in both the inductor L2 and battery.
| Original language | English |
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| Title of host publication | 2018 5th International Symposium on Environment-Friendly Energies and Applications (EFEA) |
| Number of pages | 6 |
| Place of Publication | Rome, Italy. |
| Publisher | IEEE Press |
| Publication date | Sept 2018 |
| Pages | 1-6 |
| ISBN (Print) | 978-1-5386-5518-4 |
| ISBN (Electronic) | 978-1-5386-5517-7 |
| DOIs | |
| Publication status | Published - Sept 2018 |
| Event | 2018 5th International Symposium on Environment-Friendly Energies and Applications (EFEA) - Roma, Italy Duration: 24 Sept 2018 → 26 Sept 2018 |
Conference
| Conference | 2018 5th International Symposium on Environment-Friendly Energies and Applications (EFEA) |
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| Country/Territory | Italy |
| City | Roma |
| Period | 24/09/2018 → 26/09/2018 |
Keywords
- Feedforward
- Grid connected
- MPC
- MPPT
- Three phase
- Photovoltaic
- P&O
- Storage
- Z-network